#0  0x00007fe2cd61c267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
        resultvar = 0
        pid = 744
        selftid = 744
#1  0x00007fe2cd61deca in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x5582c70bf270, sa_sigaction = 0x5582c70bf270}, sa_mask = {__val = {140730699589104, 94020173143200, 140612117466912, 0, 0, 0, 0, 0, 0, 0, 0, 0, 140612085073248, 94020176054688, 140730699588880, 0}}, sa_flags = -845489824, sa_restorer = 0x7fe2cf6c3980}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00005582c708d08e in OsAbort () at ../../os/utils.c:1342
No locals.
#3  0x00005582c7092b23 in AbortServer () at ../../os/log.c:807
No locals.
#4  0x00005582c709393d in FatalError (f=f@entry=0x5582c70bf270 "Caught signal %d (%s). Server aborting\n") at ../../os/log.c:945
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffe6b5ba6e0, reg_save_area = 0x7ffe6b5ba610}}
        args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7ffe6b5ba6e0, reg_save_area = 0x7ffe6b5ba610}}
        beenhere = 1
#5  0x00005582c708a9ee in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../os/osinit.c:147
        unused = <optimized out>
        sip = <optimized out>
        signo = 11
#6  <signal handler called>
No locals.
#7  sna_dri2_event_free (info=0x5582c92c8f60) at ../../../src/sna/sna_dri2.c:1533
        draw = 0x5582c8e916d0
#8  0x00007fe2c9ac4c19 in sna_dri2_schedule_flip (data=0x5582c8e916d0, func=0x5582c7059ca0 <DRI2SwapEvent>, current_msc=1183461, target_msc=0x7ffe6b5bae08, immediate=true, back=0x5582c919a1b0, front=0x5582c927a440, crtc=0x5582c8acf450, draw=0x5582c8e916d0, client=0x5582c8f1e370) at ../../../src/sna/sna_dri2.c:3078
        info = <optimized out>
#9  sna_dri2_schedule_swap (client=0x5582c8f1e370, draw=0x5582c8e916d0, front=0x5582c927a440, back=<optimized out>, target_msc=0x7ffe6b5bae08, divisor=<optimized out>, remainder=0, func=0x5582c7059ca0 <DRI2SwapEvent>, data=0x5582c8e916d0) at ../../../src/sna/sna_dri2.c:3268
        vbl = {request = {type = (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | unknown: 2201084880), sequence = 21890, signal = 94020171920980}, reply = {type = (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | unknown: 2201084880), sequence = 21890, tval_sec = 94020171920980, tval_usec = 0}}
        crtc = 0x5582c8acf450
        info = 0x0
        type = 1
        current_msc = <optimized out>
#10 0x00005582c7058cf8 in DRI2SwapBuffers (client=client@entry=0x5582c8f1e370, pDraw=0x5582c8e916d0, target_msc=1183438, divisor=0, remainder=<optimized out>, swap_target=swap_target@entry=0x7ffe6b5baea8, func=0x5582c7059ca0 <DRI2SwapEvent>, data=0x5582c8e916d0) at ../../../../hw/xfree86/dri2/dri2.c:1163
        pScreen = 0x5582c8acc190
        pPriv = 0x5582c8e831f0
        pDestBuffer = 0x5582c927a440
        pSrcBuffer = <optimized out>
        ret = <optimized out>
        i = <optimized out>
        ust = 20798878135
        current_msc = 1183461
        __func__ = "DRI2SwapBuffers"
#11 0x00005582c705a67c in ProcDRI2SwapBuffers (client=0x5582c8f1e370) at ../../../../hw/xfree86/dri2/dri2ext.c:416
        rep = {type = 1 '\001', pad1 = 0 '\000', sequenceNumber = 55836, length = 0, swap_hi = 0, swap_lo = 0, pad2 = 0, pad3 = 0, pad4 = 0, pad5 = 0}
        swap_target = 118098
        status = <optimized out>
        stuff = 0x5582c9191fb0
        pDrawable = 0x5582c8e916d0
#12 ProcDRI2Dispatch (client=0x5582c8f1e370) at ../../../../hw/xfree86/dri2/dri2ext.c:613
        stuff = 0x5582c9191fb0
#13 0x00005582c6f2a18f in Dispatch () at ../../dix/dispatch.c:432
        clientReady = 0x5582c8f0e690
        result = <optimized out>
        client = 0x5582c8f1e370
        nready = 0
        icheck = 0x5582c7322450 <checkForInput>
        start_tick = 2785
#14 0x00005582c6f2e34b in dix_main (argc=11, argv=0x7ffe6b5bb0c8, envp=<optimized out>) at ../../dix/main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#15 0x00007fe2cd607a40 in __libc_start_main (main=0x5582c6f18690 <main>, argc=11, argv=0x7ffe6b5bb0c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe6b5bb0b8) at libc-start.c:289
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5063478184056779434, 94020171826848, 140730699591872, 0, 0, -1350039961059259050, -1334475367403287210}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x5582c7097860 <__libc_csu_init>, 0x7ffe6b5bb0c8}, data = {prev = 0x0, cleanup = 0x0, canceltype = -955680672}}}
        not_first_call = <optimized out>
#16 0x00005582c6f186c9 in _start ()
No symbol table info available.

Thread Stacktrace

.
Thread 2 (LWP 752):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fe2c9a6bfb9 in __run__ (arg=0x5582c8acdf50) at ../../../src/sna/sna_threads.c:70
        t = 0x5582c8acdf50
        signals = {__val = {18446744067267099583, 18446744073709551615 <repeats 15 times>}}
#2  0x00007fe2cd1c86aa in start_thread (arg=0x7fe2c917f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe2c917f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140612013127424, 1350912185703533910, 0, 140730699590703, 140612013128128, 3, -1334484587994477226, -1334475885100593834}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007fe2cd6edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (LWP 744):
#0  0x00007fe2cd61c267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
        resultvar = 0
        pid = 744
        selftid = 744
#1  0x00007fe2cd61deca in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x5582c70bf270, sa_sigaction = 0x5582c70bf270}, sa_mask = {__val = {140730699589104, 94020173143200, 140612117466912, 0, 0, 0, 0, 0, 0, 0, 0, 0, 140612085073248, 94020176054688, 140730699588880, 0}}, sa_flags = -845489824, sa_restorer = 0x7fe2cf6c3980}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00005582c708d08e in OsAbort () at ../../os/utils.c:1342
No locals.
#3  0x00005582c7092b23 in AbortServer () at ../../os/log.c:807
No locals.
#4  0x00005582c709393d in FatalError (f=f@entry=0x5582c70bf270 "Caught signal %d (%s). Server aborting\n") at ../../os/log.c:945
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffe6b5ba6e0, reg_save_area = 0x7ffe6b5ba610}}
        args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7ffe6b5ba6e0, reg_save_area = 0x7ffe6b5ba610}}
        beenhere = 1
#5  0x00005582c708a9ee in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../os/osinit.c:147
        unused = <optimized out>
        sip = <optimized out>
        signo = 11
#6  <signal handler called>
No locals.
#7  sna_dri2_event_free (info=0x5582c92c8f60) at ../../../src/sna/sna_dri2.c:1533
        draw = 0x5582c8e916d0
#8  0x00007fe2c9ac4c19 in sna_dri2_schedule_flip (data=0x5582c8e916d0, func=0x5582c7059ca0 <DRI2SwapEvent>, current_msc=1183461, target_msc=0x7ffe6b5bae08, immediate=true, back=0x5582c919a1b0, front=0x5582c927a440, crtc=0x5582c8acf450, draw=0x5582c8e916d0, client=0x5582c8f1e370) at ../../../src/sna/sna_dri2.c:3078
        info = <optimized out>
#9  sna_dri2_schedule_swap (client=0x5582c8f1e370, draw=0x5582c8e916d0, front=0x5582c927a440, back=<optimized out>, target_msc=0x7ffe6b5bae08, divisor=<optimized out>, remainder=0, func=0x5582c7059ca0 <DRI2SwapEvent>, data=0x5582c8e916d0) at ../../../src/sna/sna_dri2.c:3268
        vbl = {request = {type = (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | unknown: 2201084880), sequence = 21890, signal = 94020171920980}, reply = {type = (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | unknown: 2201084880), sequence = 21890, tval_sec = 94020171920980, tval_usec = 0}}
        crtc = 0x5582c8acf450
        info = 0x0
        type = 1
        current_msc = <optimized out>
#10 0x00005582c7058cf8 in DRI2SwapBuffers (client=client@entry=0x5582c8f1e370, pDraw=0x5582c8e916d0, target_msc=1183438, divisor=0, remainder=<optimized out>, swap_target=swap_target@entry=0x7ffe6b5baea8, func=0x5582c7059ca0 <DRI2SwapEvent>, data=0x5582c8e916d0) at ../../../../hw/xfree86/dri2/dri2.c:1163
        pScreen = 0x5582c8acc190
        pPriv = 0x5582c8e831f0
        pDestBuffer = 0x5582c927a440
        pSrcBuffer = <optimized out>
        ret = <optimized out>
        i = <optimized out>
        ust = 20798878135
        current_msc = 1183461
        __func__ = "DRI2SwapBuffers"
#11 0x00005582c705a67c in ProcDRI2SwapBuffers (client=0x5582c8f1e370) at ../../../../hw/xfree86/dri2/dri2ext.c:416
        rep = {type = 1 '\001', pad1 = 0 '\000', sequenceNumber = 55836, length = 0, swap_hi = 0, swap_lo = 0, pad2 = 0, pad3 = 0, pad4 = 0, pad5 = 0}
        swap_target = 118098
        status = <optimized out>
        stuff = 0x5582c9191fb0
        pDrawable = 0x5582c8e916d0
#12 ProcDRI2Dispatch (client=0x5582c8f1e370) at ../../../../hw/xfree86/dri2/dri2ext.c:613
        stuff = 0x5582c9191fb0
#13 0x00005582c6f2a18f in Dispatch () at ../../dix/dispatch.c:432
        clientReady = 0x5582c8f0e690
        result = <optimized out>
        client = 0x5582c8f1e370
        nready = 0
        icheck = 0x5582c7322450 <checkForInput>
        start_tick = 2785
#14 0x00005582c6f2e34b in dix_main (argc=11, argv=0x7ffe6b5bb0c8, envp=<optimized out>) at ../../dix/main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#15 0x00007fe2cd607a40 in __libc_start_main (main=0x5582c6f18690 <main>, argc=11, argv=0x7ffe6b5bb0c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe6b5bb0b8) at libc-start.c:289
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5063478184056779434, 94020171826848, 140730699591872, 0, 0, -1350039961059259050, -1334475367403287210}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x5582c7097860 <__libc_csu_init>, 0x7ffe6b5bb0c8}, data = {prev = 0x0, cleanup = 0x0, canceltype = -955680672}}}
        not_first_call = <optimized out>
#16 0x00005582c6f186c9 in _start ()
No symbol table info available.